Who rescued those civilian contractors?

U. S. -led coalition forces in Afghanistan say American and Afghan troops have rescued 5 civilian contractors, pinned down by Taliban militants after their helicopter landed in Gazni province south of Kabul. A statement said U.S.  special forces and an Afghan police rapid reaction team rescued the contractors late Thursday after receiving a distress call.  It said coalition troops killed three Taliban militants, who opened fire on a helicopter when it made an emergency landing due to mechanical problems. The coalition statement did not mention the nationalities of those rescued or the company they worked for.